/*
Copyright (c) 2009, Young Digital Planet SA
All rights reserved.

* Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this 
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, 
this list of conditions and the following disclaimer in the documentation 
and/or other materials provided with the distribution.
* Neither the name of the Young Digital Planet SA nor the names of its 
contributors may be used to endorse or promote products derived from this 
software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
POSSIBILITY OF SUCH DAMAGE.
*/

package com.yauthor.module{
	
	import com.yauthor.module.IActivity;
	
	/**
	 * Activity mode class which holds constans for several activity modes.
	 * It also can put given activity into state corresponding to proper mode. 
	 */
	public class ActivityMode
	{
		/**
		 * Activity shows correct answers.
		 */
		public static const SHOW_ANSWERS:ActivityMode = new ActivityMode("showAnswers");
		
		/**
		 * Activity marks correct answers selected by user.
		 */
		public static const MARK_CORRECT:ActivityMode = new ActivityMode("markCorrect");
		
		/**
		 * Activity marks wrong answers selected by user.
		 */
		public static const MARK_WRONG:ActivityMode = new ActivityMode("markWrong");
		
		/**
		 * Activity marks all wrong and correct answers selected by user.
		 */
		public static const MARK_ALL:ActivityMode = new ActivityMode("markAll");
		
		/**
		 * Nothing is marked, only user's answers are visible.
		 */
		public static const NORMAL:ActivityMode = new ActivityMode("normal");
		
		private var _modeName:String;		
		
		public function ActivityMode(name:String){
			_modeName = name;	
		} 
		
		/**
		 * Applies activity mode to given activity.
		 * @param ac activity to which mode should be applied.
		 */
		public function apply(ac:IActivity):void{
			if(this == SHOW_ANSWERS){
				ac.markCorrect = false;
				ac.markWrong = false;
				ac.showAnswers = true
				ac.locked = true;
			}else if(this == MARK_ALL){
				ac.showAnswers = false
				ac.markCorrect = true;
				ac.markWrong = true;
				ac.locked = true;
			}
			else if(this == MARK_WRONG){
				ac.showAnswers = false;
				ac.markCorrect = false;
				ac.markWrong = true;
				ac.locked = true;
			}
			else if(this == MARK_CORRECT){
				ac.showAnswers = false;
				ac.markCorrect = true;
				ac.markWrong = false;
				ac.locked = true;
			}
			else if(this == NORMAL){
				ac.showAnswers = false;
				ac.markCorrect = false;
				ac.markWrong = false;
				ac.locked = false;
			}
		}
		
		public function toString():String{
			return "[ActivityMode: " + _modeName + "]";
		}
	}
}